Base | Representation |
---|---|
bin | 10010111010000110… |
… | …011010100111011100 |
3 | 1221101220000012201011 |
4 | 102322012122213130 |
5 | 313034320110434 |
6 | 13154320425004 |
7 | 1316051054350 |
oct | 227206324734 |
9 | 57356005634 |
10 | 20302113244 |
11 | 8679017196 |
12 | 3b27178164 |
13 | 1bb716557a |
14 | da8489460 |
15 | 7dc545e64 |
hex | 4ba19a9dc |
20302113244 has 48 divisors (see below), whose sum is σ = 42798309120. Its totient is φ = 8231967360.
The previous prime is 20302113239. The next prime is 20302113253. The reversal of 20302113244 is 44231120302.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 379779 + ... + 429925.
It is an arithmetic number, because the mean of its divisors is an integer number (891631440).
Almost surely, 220302113244 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 20302113244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21399154560).
20302113244 is an abundant number, since it is smaller than the sum of its proper divisors (22496195876).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20302113244 is a wasteful number, since it uses less digits than its factorization.
20302113244 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 50938 (or 50936 counting only the distinct ones).
The product of its (nonzero) digits is 1152, while the sum is 22.
Adding to 20302113244 its reverse (44231120302), we get a palindrome (64533233546).
The spelling of 20302113244 in words is "twenty billion, three hundred two million, one hundred thirteen thousand, two hundred forty-four".
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